Reflector Drive Mechanism

Purpose:
Provides rotation of the large deployable antenna reflector relative to the reflector boom from the transportation to the operational position and reflector readjustment in the area of operating angles during orbital flight of the spacecraft.
Guaranteed service life (years): 10
Estimated production / delivery time (months): 6


Parameter Value
Readjustment/rotation angle for each axis, ° up to ± 25
Rotation angle to the operating position, ° up to 290
Slew rate, °/min 0.009-7.0
Measurement error of the rotation angle for each axis, arcmin, not exceeding 1
Developed torque for each axis, N·m, not less than 60
Self-braking torque in a de-energized state of the electric motors for each axis, N·m, not less than 100
Load inertia moment, kg·m2 5310
Operating temperature range, °С -30 to +60
Overall dimensions, mm 410 x 255 x 220
Mass, kg 12

Description

Two-degree-of-freedom electromechanical device for transferring the reflector boom from the transportation to the operational position and for antenna reflector pointing after its deployment.

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